نتایج جستجو برای: wave attenuation

تعداد نتایج: 263909  

2015
Junzhe Sun

Attenuation in seismic wave propagation is a common cause for poor illumination of subsurface structures. Attempts to compensate for amplitude loss in seismic images by amplifying the wavefield may boost high-frequency components and create undesirable imaging artifacts. In this paper, rather than amplifying the wavefield directly, we develop a stable compensation operator using smooth division...

2006
Yung-Chun Lee Shi Hoa Kuo

This paper examines in detail the characteristics of a leaky Lamb wave propagating in a piezoelectric plate immersed in a dielectric or conductive fluid. The analysis is based on the partial wave analysis and its numerical calculations. Some corrections have been made so that both the changes in phase velocity and the wave attenuation of leaky Lamb waves caused by fluid’s mechanical, dielectric...

Journal: :Geophysical Journal International 2001

Journal: :Journal of Physics: Conference Series 2013

Journal: :Bulletin of the Australian Mathematical Society 1977

Journal: :Journal of Geophysical Research: Solid Earth 2004

Journal: :Geophysical Journal International 1990

Journal: :Geochemistry, Geophysics, Geosystems 2010

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